Cementing machine



April 30, 1929. J. M. BENJAMIN CEMENTING MACHINE Original Filed May 8, 1922 l u ia iwi m 5 5,

Patented Apr. 30, 1929.

UNITED STATES PATENT OFFICE.

JOHN M. BENJAMIN, OF BEVERLY, MASSACHUSETTS, ASSIGNOR TO UNITED SHOE MACHINERY CORPORATION. OF PATERSON, NEW JERSEY, A CORPORATION OF NEW JERSEY.

CEMENTING MACHINE.

Application filed May 8, 1922, Serial This invention relates to machines for applying coatings. of such substances as cement, to various objects, it being of especial utility in connection with the cementing oi the bottoms and adjacent margins of the uppers of tennis and like shoes :tor the application of the soles and toning-strips. It has as an object the provision of a simple, ctlicicnt and economical machine by which these areas may be coated quickly and ui'iiit'ormly with the production of sharply defined lines between the coated and uncoated surfaces of the upper matcrial, and without requi .ing any high degree of skill on the part (it the operator.

In the attainment of this object a feature ol the iuwsutioi'i Cl'lllellFltll'iii1CLlllll'lt-Utillltlllliug chamber having a normally open side providing a delivery opening which is tree and unobstructed for the prcscntation of work thereto and is arranged to be closed by the work. cement being preferably delivered to said opening by gravity. and means :for supporting or moving the work in cooperation with this restricted delivery-opening to receive cement directly thcrefrom. Through the opening into the chamber a portion of the work. as the toning-area. may project to reccivc a coating as it is moved past the opening. and it another surface. as the shoe-bottom. is also to be coated. the means for moving the wort: may act as applying means. Regardless of whether or not there is mechanical means tor feeding the work. there is provided a work supporting member having a guiding surface inclined downwardly and outwardly from the lower side of the delivery-opening of the cement-chamber. this member preferably being in the form of a roll having a curved work-engaging surface. the curve substantially conforming to the surface operated upon. With this arrangement. this surface may not only guide and support the work in its movement past the cementchan'iber. but may also apply cement to the shoe-bottom. it receiving its supply of cement from the associated applying device. As illustrated the top wall of the applying chamber has a relatively thin edge for contact with the work. this serving as a gage to dctinc the line between the coated and uncoated areas. I have shown this top wall as adjustable over the chamber. this being preterahly in a direction inclined to the horizontal, toward and from the guiding surface of No. 559.398. Renewed May 17, 1928.

the work supporting roll. By this means, the width of the coated area may be altered.

In using a machine of this character. as when one applying device supplies the coating material for another, there may be an excess of the cement flow from the applying devices, which should be collected and preserved again evaporation of the solvent to avoid waste. To accomplish this and minimize elfort and attention on the part of the operator, a further feature of the invention involves a receptacle to catch the excess cement, and means arranged to control the corn dition of the receptacle as an incident to control of the operation of the machine. As herein disclosed, the receptacle is provided with a closure. which may be moved to open position for the reception of the cement or to closed position to guard it against evaporation, this closure being actuated to vary the condition of the receptacle through means controlled by the operator. Preferably, I simultaneously operate this closure and govern the flow of cement to the applying device, as by a valve in the supply-conduit. by having connections between the closure and valve.

Other features will be developed in the following description, illustrated by the acc0mpanying drawing, in which appears one of the several embodiments which my invention may assume.

Fig. 1 showing the improved machine in trout elevation;

Fig. 2 being a partial side elevation on a larger scale than Fig. 1 and with parts broken away; and

Fig. 3 being a side elevation of a holding device for use in presenting the work to the machine. i

A cement-tank 10 is provided with a suitable base 12. by which it may be supported upon a. bench or table. Projecting in a substantiully horizontal direction from the front of the tank. near the bottom, a tubular extension 14, through which is a conduit 16 opening into the tank and having at its opposite extremity a reduced deliveryppening or nozzle 18. This nozzle 18 communicates with a delivcry-chamber. closed by opposite side walls 2O anda rear wall 22, which is shown as curving downwardly and outwardly from the nozzle so that it also furnishes a bottom wall. This delivery chamber has, at

Lin

its front side, a tree and unobstructed delivery-opening disposed in substantially a ver-- tical plane so that the for ing area of an upright shoe may be presented to said openin to receive cement flowing out through they opening. The extension ll is inclined upon its upper face at- Q- l, and on this inclined surtace is mounted a top Wall 26 ot the deliverycha1nber,thisbeingillustrated as in the term of a plate having" a relatively thin outer edge. Preferably, the top plate 9.6 ll iuljustahly socured in place by screws :25, Q8 missing through slots ill 30 extending longitudiinilly of the Wall, or in the direction or its inclination. This manner of attzwhiiaent permits the relation of the outer edge of the wall to be varied both horizontally and vertically over the open delivery-side of the chamber for a pur 'iese which will hereinafter appear,

Rising from the top of the it!llli OXtIQllHllBFl ill is a boss in which is a substantially vertical bore intersect W the conduit 16 and adapted to receive a v lve-plungcr 34-, containing ti.'an-'crsc opening 36 movable into or outot ali cut wth the conduit. xiy ditlerently p1 his pl the ti-ow from. the t ionun V in. I through the nozzle 18 may be controlled. Although the tanlt and delivery chamber are so positioned that cement may flow on to the work by gravity, it may be desirable to insure this How when the valve is open by providing an ainpump 38 mounted upon tne tanlt and connected to it by a pipe 40. Power may be a plied to the pump through a pulley -112 from any suitable source, and the requ eil pressure produced in the space above the cement at the top oi the tar-ale C(WIPPQIZltlHQ with the nozzle 18 is shown a valve -.l:-.lof the needle type, by which the amount of flow into the dclivcrywhambcr :30 may be regulated.

Jour. led in a depending); portion from the tank-extension tala substantially horizontal shaft: ll) carry. an iuiobstructcd work-supporting and ccmerit-applylug roll 48. This roll is shown as having an inclined periphery, the larger inner ef' i I in close proximity to and, ovcrlv' portien oi the delivery-openinu ol the chamber. From this inner end to the reduced outer extremity, the periphery preferably curved to generally conform to the surface to be coated, as a shoobottorn, said roll beiin; constructed and arr: isrcd to deflect tfi'jllltllli on to undcrlyii'in poi, Lions oi the shoe adj ace 1, to the toxinp; area, 'l 1o length of the roll s such that this carver tace will extend for atleast half the width of the large t shoe to be operated upon. in the pcriph oi the roll are prcttcrat-y longitudinal. depressions 50, the inner ones of which receive cement flowing from the chamber and hold th 5 to be spread upon a shoe bottom applied to the roll. To its function as an appying: member, the roll adds that of a support and a shalt {it having a bcarinp in the portion to and lying" transverst y ot the shaft lb. may receive gamer thro 'h a pulley all.

To assure the proper supply oil cement or other coating fluid to the applying, devices, an excess over that required for coating purposes must be delivered, and this tends to drip from the roll. To receive this drip and hold it without undue waste of the cement by cvaporatiim ot' the solvent, I arrange below the roll lS a container 58. This, in the present embodimentof the invention, is supported upon an ann ular flange at the under s e of a bracket 62 carried upon the dependportion 41:5 of the tank-extension 14. The container or receptacle maybe removably held in place upon the flange by a set-screw (Slpassing through an opening in the container and being threaded into the flange The container is provided with a closure in the form or" a cover 66 hinged at 68 upon the flange 60 and being arranged to swing from a horizontal position, in which the cement-- receiving opening of the container is closed, to a vertical position, illustrated in Fig. J of the drawing, in which the container ma receive, uniin 'aedcd, cement from the roll 48. It is desired that this cover shall he closed at all times when the machine is not in operation. This I acconmlish, as here illustrated, by connections to the valve 3 1-. Pro jectinp; from the side of the plunger a pin 70 arranged to enter a slot 72 lying longitudinally ot an arm 73 extending; from the cover 66. hcn the valve-plunger is so located that its open ng 36 is in alinemeut with the conduit 16, the pin-al'ld-slot connection holds the cover 66 as shown in Fig. lVhcn, however, the plunger is lowered to stop the passage ot cement through the con.- duit, the travel of the pin in the slot swings the cover to a horizontal. position, praeticall closing the opening of the container and etlectively preventing the eva iioration. oi? the solvent in the cement. This Slllllllttllltlilllr movement of the valve and closure I place under the control of the operator by joining; the plunger, through a connecting rod '74-. to a treadle 76, which may be tulcrumed upon the floor beneath the bench sumuortiup, the cementtank. This manner of connection makes the open or closed condition ot the container 58 an incident to the control of the flow through the conduit 16, and entirely relieves the operator of thought upon this score.

In presenting to the machine a shoe S, the toning-area and bottom of which are to be llhl coated, I prefer to employ a holder H, applied to the last L within the shoe, to facilitate the operation of turning the work over the roll 48 and along the delivery-opening ot the chamber. This holding device has an arm 80, extending from one end of which, at right angles, is a handle 82. At the opposite end and from the opposite side of the arm is a projection 8d. Pivoted at 86 between the handle and projection is another projection 88, normally lying substantially parallel to its companion. The projection 88 is in the form of a bell-crank, being provided with an arm 90, to which is articulated a rod 92 passing through a longitudinal bore in the handle 82. Vithin an opening in this handle and surrounding the rod is a hell al spring 9% abutting at one end against the handle and at the other against a collar 96 fixed to the rod. The effect of this spring is to hold the projections 84 and 88 normally in their parallel relation, and yet allow the projection 88 to be swung inwardly, this movement being accomplished by pressure by the operator upon the outer end of the rod 92, which extends beyond the handle. The lasts upon which tennis shoes are made are provided in the cone with two holes, the distance between these being the same as that between the projections 84 and 88 when the rod 92 is depressed. Entrance of the proj ections into the holes in the last is facilitated by oppositely inclined surfaces 98, 98 upon the outer extremities of the projections. Beyond these inclined surfaces are last-engaging points 100, so that upon the release of the rod 92 by the operator after the projections have been introduced into the holes in the last, the points will engage it and retain itupon the holding device. Now the handle 82 serves, as is shown in Fig. 1 of the drawing, to allow the operator to conveniently associate the work with the applying devices. The top wall 26 of the applying chamber having been adjusted toward or from the adjacent surface of the roll 48 until the space between its outer edge and the roll beneath it is equal to the width of: the foxing-area to be coated so that the work is supported in a predetermined relation to the wall 26, the o 'ierator places the bottom of the shoe upon the rollqviththc upper against the edge of the plate, which thus serves as a gage. has much as the roll 4:8 is entirely unobstructed, the work may be brought up to the front of the machine from substantially any direction and the speed of operation will be improved for this reason. Now depressing the treadle 76. the plunger 34 is raised to open the condu it 16, and the cement in the tank, under the influence of the pressure, flows from the nozale 8 into the dclivery-chambcr against the shoe-upper, which projects into and closes its o 'ien side, and beneath this into the depressions 50. In both the chamber and grooves there is naturally, from the preceding operation, a residuum of cement, so that it is only necessary to add somewhat to this to prepare the applying devices for the new operation. The amount of cement necessary for this purpose may be controlled both by the adjustment of the needle-valve 44 and by the length of time which the treadle is depressed. The operator now moves the work along the chamber for the consecutive treatment of successive portions of the foxing area, holding the shoe both in contact with the curved surface of the roll and with the edge oi the plate 26, he being aided in the advance by the rotation of the roll, which leaves necessary only a guiding action by the operator. This movement disposes the cement from the chamber in a hand of limited width over the foxing-area. The contacting gage-edge of the plate limits the flow of cement u nvardly upon the shoe to determine the line of the upper ed e of the cemented foxing area, and produces a clean line of demarcation betweenthe coated and uncoated areas. At the same time, as the shoe is moved progressively past the delivery device, the roll 4:8 is coating the adjacent portion of the bottom, the application extending to points somewhat beyond the center line of the shoe, so that when the entire toning-area has been presented to the de livery-chamber, the bottom will have been fully coated. \Vhen the more inclined sections of the upper are reached, as at the inside of the shank, the work may be rocked upon the curved surface of the roll, allowing the correct height of the coating over the upper to be maintained, without interfering with the continuity of the bottom-coating. The work upon a shoe having been completed the operator releases the treadle 76, closing the valve to stop the flow into the chamber and simultaneously raising the cover of the IUD container 58 to protect its contents against evaporation.

Having described my invention, what I claim as new and desire to secure by Letters Patent of the United States is: M

1. In a machine for applying cement to the foxing areas of shoes, a cement containing chamber having one of its vertical sides open for the outward delivery of cement in a horizontal direction, said opening being free and unobstructed for the presentation of a shoe and adapted to he closed by successive portions of the foxing area of a shoe moved past the opening to present successive portions of the foxing area to said opening for the application of cement tl'iereto. and a driven work su 'iporting roll positioned beneath the opening and rotatable about an axis substantially normal to the plane of the opening.

2. In a cementing machine, a cement-containing chamber having an open deliveryside arranged to apply cement directly to the ell) tit)

work, and means arranged to receive cement from the chamber and apply it to a different area upon said Work from that acted upon by the delivery-opening and to move the Work in co-operation with the delivery-o )cni11g.

3. In. a cementing machine, a conduit having an opening arranged to deliver cement by gravity, and an unobstructed work-supportinn member having a guide-surface adjacent to said delivery-opening and inclined dovvn- Wardly and out *ardly from it.

4. In a cementing machine, a cement-containing chamber having an open deliveryside, and a guide-roll rotatable adjacent to the delivery-opening about an axis substantially normal to the plane of said open delivery side and having cement-holding depressions extending longitudinally of the roll and arranged to conduct cement away from the chamber.

5. In a cementing machine for curved. Work, a ceinent-containing chan'iber having an open delivery-side and a guide-roll rotatable adjacent to the delivery-opening and having a work-engaging surface curved to conform to the curvature of said Work.

6. Inv a cementing 1118(l1ln0. a cement-containiirc chamber one side of which is normally open and is arranged to be closed by the Work for the application of cement thereto and a worlr supporting member extending outwardly From the eeinerd-containing chamber ad jacent to its open side near the lower portion thereof.

7. In a cementing machine, a cen.:ent-containinn chamber having one side normally open between. its top and bottom Walls for delivery of cement to Work presented thereto, the top Wall having a relatively thin edge for contact with the Work. and a Worlnsupportinn member extending outwardly from the open side near the lower portion thereof.

8. In a machine for applying cement to the toning areas of shoes, a cement containing: clnnnber having one of its vertical sides open for the outward delivery of cement in a horizontal direction. said opening being tree and unobstructed tor the presentation of a shoe and adapted to be closed by successive portions of the foxine'area of a shoe moved past the opening to present successive portions of the foxing area to said opening for the application of cement thereto, and a Work supporting roll rotatable about an axis substantially normal to the plane of the opening and positioned to receive excess cement from said opening: and to apply it to the bottom of a shoe so that both the toning; area and the bottom of the shoe are simultaneously coated.

9. In a cementing machine, a cen'ient-coin taming chamber having, an open deliver y-side between top and bottom Walls, and means ar" ranged to pern'iit the position of the top Wall over the delivery-side to be varied.

10. In a cementing machine, a CBIIIBIlb-COII- 1,71o,ese

taming: chamber having: an open delivery-side between top andv hctzuo 11. Wallet. and means arreac ed to pen t the pneit on at the top all he deliv r nth to be varied and in a to the opening. a cermntin mac a cement-coni'lltrlillhfl hard ran idelirery-side top an l tom mai s, a roll I'Utttttlllle .il axis and hav- L ace eaten d in; out 1. lower portion of the the chambe and means irehition or the top wall o be varied.

enientine' machine, a cennher having" a restricted to receive and be closed 3e-uppcr to which the id opening being so 1i v a to rhnuibrr that cement will tlovr t'lim'e'troni by gravity.

13. In a :toxinnrementing machine, a ceme'it-receiv ng clunnber provided. with an opening; in o which may project the portion of a :'-ill(JLHiJ- JQP to which. the inning is to be applied. raid chamber having! a gage-Wall ai-angi ril to contact with the upper at the line between the coated and. uncoated. areas.

1.4-. In a bottom and toxing-cementing machine, a lJOtt'OllPt'CNlttltlIlQf roll, and a cenicnt--receiviiii chamber opening adjacent to the cementing surface of the roll and arranged to co-operate with the foxinghrea ot a shoe.

to. In a bottom and. toxine-cementing machine, a roll provided with a periphery curved. to conform to a shoe-hotfem, and a cement reeeiriire chamber having an opening arranged to co-operate with the itoxing-area of a shoe and delivering to the curved surilz'uj'c ot the roll.

'16. In a bottom and torcing-cemcnting machine, a roll provided with a periphery curved to conform to a shoediottoin, and a cen'ient-receivino? chamber in'ovided with an o iening arram .d to co-operate with the foxin zj-irea of a shoe and delivering to the curved surface of: the roll, the chamber havii'rgr a gage-Wadi arranged for moven'ient toward and. from the roll.

17. In a coating; machine, an applying. dc vice, a rece 'itacle for the coating substance cooperatin with the applying device said receptacle being so nrran ired that its condition may be varied, and means arranged to control the condition of the receptacle as an incident to control of the tmeration. of" the machine.

18. In a cementin machine, a ce1n.ent-ap plying: device means tor supplying: cement tlnn'eto. a receptacle arrannedv to receive ct ment from. the applying device provided with n'ieans for varying its conditioin and means arranged to control e. \ltaneously the supply of cement to the applying; device and said condition varying means.

openinu inrran by per-t 19. In a cementing machine, a cement-applying device, a conduit delivering thereto, a receptacle co-operating with the applying device and having an opening to receive cement, and means arranged to control simultaneously the flow through the conduit and the opening of the receptacle.

20. In a cementing machine, a cement-applying device, a conduit delivering thereto, a valve in the conduit, a cenient receptacle (vi-operating with the applying device, a closure tor the receptacle, and connections between the valve and closure.

2i. In. a cementing machine, a oe1nent'applying device, conduit delivering thereto, a valve in the crm'duit, a cement-receptacleco-operathig with the applying device, a closure for the receptacle, and operator-controlled means tor simultaneously actuating the valve and closure.

22. In a cementing machine, a plurality of cement-applying devices one of which is arranged to deliver cement to another, a receptacle arranged to receive an excess of delivered cement, a movable closure for the receptacle, and operator-controllcd means for moving the closure.

23. In a cementing machine, a cement-containing chamber having an open deliveryside, a guide-roll rotatable adjacent to the delivery-opening, a receptacle situated heneath the guide-roll, a movable closure for the receptacle, and a treadle connected to the closure.

A toning cementing machine constructed and arranged to deposit cement, flowing under the influence of gravity, directly upon the toning areas of shoes as relative movement is produced between the shoes and the machine to provide for the consecutive treatment of successive portions of the toxing areas of the shoes, said machine having a cementdelivcry device provided with a tree and unobstructed delivery-opening disposed in a substantially vertical plane so that the toning area of an upright shoe may be presented to said opening to receive cement flowing out through the opening, the top wall of the delivery device adjacent to said opening being constructed and arranged to determine the line of the upper edge of the cemented it'oxing area, thereby lii'niting the width of the stripe of cement.

25. A toning cementing machine construct ed and arranged to deposit cement, flowing under the influence o'l' gravity, directly upon the foxing areas of shoes as relative movement is produced between each shoe and the machine to provide for the consecutive treatment of successive portions of the toxin g areas of shoes, said machine having a cement-delivery device provided with a free and unobstructed delivery-opening disposed in substantially a vertical lane so that the foxing area of an upright shoe may be presented to said opening to receive cement flowing out through the opening, and means adjacent to the lower side of said opening and constructed and arranged to deflect the cement on to underlying portions of the shoe adjacent to the foxing area.

26. In a machine for applying cement progressively around the foxing areas of shoes, a cement delivery device having a free and unobstructed delivery-opening in an upright plane and constructed and arranged to delivor cement by gravity, means on said device forming the upper ed e of said opening and having a thin edge adapted to contact with shoes at the upper edges of their foxing areas, thereby to determine the upper edge of the stripe of cement which is applied, means for supplying cement to said delivery device, and means for supporting shoes in a predetermined relation to said ed e defining means as the shoes are moved relatively to the device to apply cement progressively around their foxillg' areas.

27. In a machine for applying cement on the toxing areas of shoes, cement supplying means, a delivery devicefor saidsupplying means having a free and unobstructed opening in an upright plane, the upper edge of which determined by a plate adapted to contact with and to determine the upper edge of the cemented area, and means for supporting a shoe for presentation to said delivery device constructed and arranged to move it progressively past the delivery device so as to coat the whole of the foxing area.

528. In a machine for applying cement by gravity on to the foxing areas ofshoes, a supply means having a delivery device provided with a free and unobstructed opening in an upright plane to which successive portions of each shoe may be presented progressively to receive cement from said opening, and a receptable for catching surplus cement located beneath the delivery-opening.

29. In a machine for applying cement to the foxing areas of shoes, a delivery device opening laterally to allow a shoe to be piesented thereto to receive cement flowing out through said opening, and a rotatable work supporting means constructed and arranged to assist in carrying a shoe ast the opening so that successive portions 0 the foxing area may be coated.

In testimony whereof I have signed my name to this specification.

JOHN M. BENJAMIN. 

